17120+3158 LOS   2AB

 
 
17h 11m 55.45s +31 57' 33.9" P.A. 43 sep 11.7 mag 11.34,13.30
 
 
Coord 2000
17120+3158
Discov num
LOS   2
Comp
AB
Coord arcsec 2000
17 11 55.45 +31 57 33.9
Date first
1998
Date last
2008
Obs
4
Pa first
41
Pa last
43
P.A. Now (θ)
43°
Sep first
11.9
Sep last
11.7
Sep. Now (ρ)
11.7"
Mag pri
11.34
Mag sec
13.30
delta mag (ΔM)
1.96
Spectral class
Pri motion ra
-015
Sec motion ra
+005
Pri motion dec
+024
Sec motion dec
-011
Notes
N (See Notes)
rPM=1.424
This double is not physical.
 
 
17120+3158 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17120+3158 LOS 2 AB 1998 2008 4 43 11.7 11.34 13.30 1.96 <===
Show 17120+3158 GYL 5 AC 1893 2008 13 321 16.9 11.34 12.36 1.02
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42.7
Precise sep
11.71
Cdsa2 id
LOS 2 AB
Constellation
Hercules
Tycho2
2595-01004-1
Ra deg
17.19873611111111
De deg
31.959416666666666
last precise pa
42.7
last precise sep
11.71
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17120+3158 LOS 2 AB 2004 2 41 12.1 11.34 13.30 N D 171155.45+315733.9
17120+3158 LOS 2 AB 2008 3 43 11.7 11.34 13.30 N D 171155.45+315733.9

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